1 Rated voltage kV 252 2 Rated current A 2500、 4000、5000 3 Rated short-time withstand current kA 50/3s、63/3s 4 Rated peak withstand current kA 125、160 5 Rated lightning impulse withstand voltage kV Across open breaks 1050+200 To earth 1050
6 Rated 1min power frequency withstand voltage kV Across open breaks 460+145 To earth 460
|